C: add jokes/brexit.c

c-programming/jokes/brexit.c

@@ -0,0 +1,28 @@
+/*
+ * brexit.c
+ *
+ * Author: Intel A80486DX2-66
+ * License: Creative Commons Zero 1.0 Universal
+ */
+
+#include <stdio.h>
+
+__attribute__((naked)) __attribute__((noreturn)) void Brexit(void);
+
+__attribute__((naked))
+__attribute__((noreturn))
+void Brexit(void) {
+    __asm__ volatile (
+        "movl $0x7F, %%ebx\n\t"
+        "movl $1, %%eax\n\t"
+        "int $0x80"
+        :
+        :
+        : "eax", "ebx"
+    );
+}
+
+int main(void) {
+    Brexit();
+}
+